knuckle joint

Questions about knuckle joint

What does knuckle joint mean?

knuckle joint means "a joint of a finger when the fist is closed". That is the primary sense; the word has 2 in total, listed in full on this page.

What is another word for knuckle joint?

Close synonyms include knuckle, metacarpophalangeal joint, hinge joint. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is knuckle joint a common word?

knuckle joint is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.